Crossword Genius

Transition effect famously used in "Star Wars" films (4)

Ross

I believe the answer is:

wipe

(Other definitions for wipe that I've seen before include "Clean with a damp cloth" , "Push cloth over" , "Clean with e.g. cloth" , "Rub lightly to remove dust, etc" , "Erase recording" .)

I've seen this clue in The New York Times.
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